CVE-2026-41286
Analyzed Analyzed - Analysis Complete
Stack-based Buffer Overflow in WatchGuard Agent Windows Service

Publication date: 2026-05-06

Last updated on: 2026-05-11

Assigner: WatchGuard Technologies, Inc.

Description
Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow Buffers. An unauthenticated attacker on the same local network could exploit this vulnerability to crash the agent service.
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Meta Information
Published
2026-05-06
Last Modified
2026-05-11
Generated
2026-06-16
AI Q&A
2026-05-06
EPSS Evaluated
2026-06-14
NVD
CVE-2026-41286
EUVD
EUVD-2026-27834
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
watchguard agent to 1.25.03.0000 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
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Executive Summary

This vulnerability is a stack-based buffer overflow in the WatchGuard Agent discovery service on Windows. It allows an attacker on the same local network, without needing to authenticate, to exploit the overflow and cause the agent service to crash.

Impact Analysis

An attacker exploiting this vulnerability can crash the WatchGuard Agent discovery service, potentially causing denial of service on the affected system.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade the WatchGuard Agent on Windows to version 1.25.03.0000 or later, as this version resolves the stack-based buffer overflow issue.

No workaround is available, so applying the update is the only effective immediate step.

Compliance Impact

The provided information does not specify any direct impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.

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